Intel Core i5-14600KF vs Intel Core 2 Quad Q8400s

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CPU comparison with benchmarks


Intel Core i5-14600KF CPU1 vs CPU2 Intel Core 2 Quad Q8400s
Intel Core i5-14600KF Intel Core 2 Quad Q8400s

CPU comparison

Intel Core i5-14600KF or Intel Core 2 Quad Q8400s - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i5-14600KF has 14 cores with 20 threads and clocks with a maximum frequency of 5.30 GHz. Up to 192 GB of memory is supported in 2 memory channels. The Intel Core i5-14600KF was released in Q4/2023.

The Intel Core 2 Quad Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009.
Intel Core i5 (331) Family Intel Core2 Quad (19)
Intel Core i 14000 (23) CPU group Intel Core 2 Quad Q8000/Q9000 (16)
14 Generation 2
Raptor Lake S Refresh Architecture Yorkfield (Penryn)
Desktop / Server Segment Desktop / Server
Intel Core i5-13600KF Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-14600KF is a 14 core processor with a clock frequency of 3.50 GHz (5.30 GHz). The Intel Core 2 Quad Q8400s has 4 CPU cores with a clock frequency of 2.66 GHz.
Intel Core i5-14600KF Characteristic Intel Core 2 Quad Q8400s
14 Cores 4
20 Threads 4
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? No
3.50 GHz (5.30 GHz)
6x Raptor Cove		 A-Core 2.66 GHz
2.60 GHz (4.00 GHz)
8x Gracemont		 B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core i5-14600KF Characteristic Intel Core 2 Quad Q8400s
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i5-14600KF supports a maximum of 192 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400s can connect up to 16 GB of memory in 2 memory channels.
Intel Core i5-14600KF Characteristic Intel Core 2 Quad Q8400s
DDR5-5600, DDR4-3200 Memory DDR3-1066, DDR2-800
192 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
89.6 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
20.00 MB L2 Cache 4.00 MB
24.00 MB L3 Cache --
5.0 PCIe version --
20 PCIe lanes --
78.8 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-14600KF has a TDP of 125 W, that of the Intel Core 2 Quad Q8400s is 65 W.
Intel Core i5-14600KF Characteristic Intel Core 2 Quad Q8400s
125 W TDP (PL1 / PBP) 65 W
181 W TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-14600KF has a 44.00 MB cache, while the Intel Core 2 Quad Q8400s cache has a total of 4.00 MB.
Intel Core i5-14600KF Characteristic Intel Core 2 Quad Q8400s
10 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions MMX, SSE2, SSE3, SSE4.1
LGA 1700 Socket LGA 775
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-d
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q4/2023 Release date Q2/2009
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-14600KF to help other visitors make their purchasing decisions. The average rating is 4.6 stars (25 ratings). Rate now:
Here you can rate the Intel Core 2 Quad Q8400s to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
124 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
1388 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
2097 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
24683 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
2027 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
16712 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
2794 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
17190 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-14600KF Intel Core i5-14600KF
14C 20T @ 5.30 GHz
38880 (100%)
Intel Core 2 Quad Q8400s Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz
0 (0%)

Devices using this processor
Intel Core i5-14600KF Intel Core 2 Quad Q8400s
Unknown Unknown

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